imx7d-sdb board has a eMMC5.0 on usdhc3. This eMMC support HS400.
This patch add usdhc3 support for HS400
Signed-off-by: Haibo Chen <haibo.chen@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/imx7d-sdb.dts | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index 4d1a4b9..896eb54 100644
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -241,6 +241,19 @@
status = "okay";
};
+&usdhc3 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc3>;
+ pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
+ assigned-clocks = <&clks IMX7D_USDHC3_ROOT_CLK>;
+ assigned-clock-rates = <400000000>;
+ bus-width = <8>;
+ tuning-step = <2>;
+ non-removable;
+ status = "okay";
+};
+
&iomuxc {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_hog>;
--
1.9.1
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